IT: Welcome to Derry Episode 4: When and Where to Watch the New Episode on HBO Max

The fourth episode of ‘Welcome to Derry’ is coming out in November. HBO has announced it will be available on November 16, 2025, on both HBO and Max. Set in 1962, the series continues to explore the world of Stephen King, offering a new look at the unsettling history of Derry and the frightening force behind Pennywise.

Episode four, “The Great Swirling Apparatus of Our Planet’s Function,” is the season’s midpoint. The show has quickly become popular with viewers who appreciate its creepy story, mounting suspense, and a familiar feel that ties into the larger universe created by Stephen King.

Episode 4 release details and global streaming plan

The fourth episode will premiere on HBO on Sundays, as always, and will quickly be available to stream on Max. If you’re watching outside the U.S., you can find it through your local HBO provider. In the UK, it will be shown on Sky Atlantic and available to stream on NOW.

New episodes of IT: Welcome to Derry come out every Sunday, so you’ll always know when to watch. Here’s the release schedule for the entire first season:

  • Episode 1: The Pilot – October 26
  • Episode 2: The Thing in the Dark – November 2
  • Episode 3: Now You See It – November 9
  • Episode 4: The Great Swirling Apparatus of Our Planet’s Function – November 16
  • Episode 5: Nebloit Street – November 23
  • Episode 6: In the Name of the Father – November 30
  • Episode 7: TBA – December 7
  • Episode 8: TBA – December 14

This weekly plan helps fans easily follow the release schedule and get ready for each new chapter.

Here’s what to expect from IT: Welcome to Derry episode 4

HBO has shared a new trailer for Episode 4 on YouTube, offering a sneak peek at some dramatic moments. The clip features Chris Chalk, who plays Dick Hallorann, in an intense interrogation scene with a Native American man. Hallorann warns him that what he’s being asked to do will be unpleasant. The scene suggests a psychologically charged and uncomfortable conversation for both characters.

The preview features Matilda Lawler as Marge speaking with General Shaw (James Remar). Marge reveals she believes she’s been followed by the person who killed Teddy, Phil, and Susie. This hints that episode four will explore the increasing troubles in Derry and the secrets behind them.

Based on the preview, viewers are hoping the episode will reveal more about where Pennywise came from.

In the U.S., you can watch the episode on HBO or stream it on Max if you have a subscription. In the UK, it’s available on Sky Atlantic or NOW. The episode will become available in other countries gradually, following HBO’s usual international release schedule.

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2025-11-16 13:07